Various methods selecting the maximum value (delegate method, overloading)

  1 namespace ConsoleAppLearningCeshi
  2 {
  3     /// <summary>
  4     /// 不同打招呼
  5     /// </summary>
  6     /// <param name="name"></param>
  7     public delegate int deleMaxCompara<T>(T one, T two);//泛型委托
  8     public delegate int deleMaxCompara(object one, object two);
  9     class Program
 10     {
 11         static void Main(string[] args)
 12         {
 13 
 14         }
 15       
 16         #region 泛型委托终极版
 17         //int[] intarray = { 1,33,11,34,54,2,45,55};
 18         //   string[] strarray = { "adfasdf","adfasdfasdfas","afsdfasdfasdfasddfas","fnvncvncvbn"};
 19         //   int intmax= MaxCompara<int>(intarray,comparaIntOrStr);
 20         //   string strmax = MaxCompara<string>(strarray, comparaIntOrStr);
 21         //   Console.WriteLine("最大int值"+intmax);
 22         //   Console.WriteLine("最长string值"+strmax);
 23         //   Console.ReadKey();
 24         public static T MaxCompara<T>(T[] obj, deleMaxCompara<T> delemaxcompara)
 25         {
 26             T maxobj = obj[0];//初始化初值
 27             for (int i = 0; i < obj.Length; i++)
 28             {
 29                 if ((int)(delemaxcompara(maxobj, obj[i])) < 0)
 30                 {
 31                     maxobj = obj[i];
 32                 }
 33             }
 34             return maxobj;
 35         }
 36         public static int comparaIntOrStr(int one, int two)
 37         {
 38             return one - two;
 39         }
 40         //委托指向string的函数
 41         public static int comparaIntOrStr(string one, string two)
 42         {
 43             return one.ToString().Length - two.ToString().Length;
 44         }
 45 
 46         #endregion
 47         #region 普通委托方法实现
 48         //object[] intarray = { 14,37,32,32,11};
 49         //  object[] strarray = { "ssssss","aaaaasdsd","adadadadadad","asdafsgsvsfgfdhfgkgkk"};
 50         //  int intmax= (int)MaxCompara(intarray, comparaOneInt);
 51         //  string strmax = MaxCompara(strarray, comparaOneStr).ToString();
 52         //  Console.WriteLine("int:"+intmax);
 53         //  Console.WriteLine("string.length:"+strmax);
 54         //  Console.ReadKey();
 55         public static object MaxCompara(object[] OBJ, deleMaxCompara delemaxcompara)
 56          {
 57              Object maxobj = OBJ [ 0 ]; // 初始化初值
58              for ( int i = 0 ; i <obj.Length; i ++ )
 59              {
 60                  if (( int ) (delemaxcompara (maxobj, OBJ [i])) < 0 )
 61                  {
 62                      maxobj = OBJ [ in];
63                  }
 64              }
 65              return maxobj;
66          }
67          // commissioned point int function 
68          public  static  int comparaOneInt ( int One, int TWO)
 69          {
 70              return (One) - TWO;
 71 is          }
 72          public  static  int comparaOneInt ( String One, String TWO)
 73 is          {
 74              return One. the Length - two.Length;
 75          }
 76          // commissioned point function string 
77          public  static  int comparaOneStr2(object one, object two)
 78         {
 79             return one.ToString().Length - two.ToString().Length;
 80         }
 81         #endregion
 82         #region 重载的方法
 83 
 84         //object str = "dfdsaf";
 85         //   int[] intarray = { 1,44,55,67,33,6,7};
 86         //   string[] strarray = { "ddfddfd", "dsfasfasfd", "sdfasdfsadfasfasf", "sdfasfasfasdfasfsafasfasdfas" };
 87         //   int maxint;
 88         //    bool maxinbool=int.TryParse( GetMax(intarray).ToString(),out maxint);
 89         //    string maxstr = GetMax(strarray).ToString();
 90         //    if (maxinbool==true)
 91         //    {
 92         //        Console.WriteLine(maxint);
 93 
 94         //    }
 95         //    Console.WriteLine(maxstr);
 96         //    Console.ReadKey();
 97         public static object GetMax(int[] intarray)
 98         {
 99             int intmax = intarray[0];// initial value
 100              // Loop through the maximum value is obtained 
101              for ( int I = 0 ; I <intarray.Length; I ++ )
 102              {
 103                  IF (intMax < intArray [I])
 104                  {
 105                      intMax = intArray [I] ;
 106                  }
 107  
108              }
 109              return intMax;
 110  
111          }
 112          public  static  Object GetMax and ( String [] strArray)
113         {
114             string strmax = strarray[0];
115             for (int i = 0; i < strarray.Length; i++)
116             {
117                 if (strmax.Length < strarray[i].Length)
118                 {
119                     strmax = strarray[i];
120 
121                 }
122 
123             }
124             return strmax;
125         }
126         #endregion
127         #region 普通方法实现方法
128         //int[] intarray = { 1, 23, 4, 55, 57, 622 };
129         //  string[] strarray = { "xiaobing", "dddddd", "sssssssssss", "ddddddddd", "sssssssssss", "eeeeeeeeee", "gggggggggggggggggggg" };
130         //  int maxint = GetIntMax(intarray);
131         //  string maxstr = GetStringMax(strarray);
132         //  Console.WriteLine("最大值int:" + maxint);
133         //  Console.WriteLine("最小值string:" + maxstr);
134         //  Console.ReadKey();
135         /// <summary>
</ Summary>///137obtain maximum int
///136                   
138          ///  <param name = "intArray"> </ param> 
139          ///  <Returns> </ Returns> 
140          public  static  Object GetIntMax ( int [] intArray)
 141 is          {
 142              int intMax intArray = [ 0 ]; / / initial value
 143              // loop through the maximum value is obtained 
144              for ( int I = 0 ; I <intarray.Length; I ++ )
 145              {
 146                  IF (intMax < intArray [I])
 147                  {
 148                     intmax = intarray[i];
149                 }
150             }
151             return intmax;
152 
153         }
154         /// <summary>
155         /// 获得字符串最大值
156         /// </summary>
157         /// <param name="strarray"></param>
158         /// <returns></returns>
159         public static object GetStringMax(string[] strarray)
160         {
161             string strmax = strarray[0];
162             for (int i = 0; i < strarray.Length; i++)
163             {
164                 if (strmax.Length < strarray[i].Length)
165                 {
166                     strmax = strarray[i];
167 
168                 }
169 
170             }
171             return strmax;
172         }
173         #endregion
174     }
175 
176 
177 }